Saikawa meets Miki, Dr. Magata's sister, and realizes that Dr. Magata's unique mind has remained unchanged since childhood.  Meanwhile, Moe experiences virtual reality with the help of another member of the institute's staff, Shimada.  As she does, a mysterious voice forces her to confront her own past.
Who was here,
،من كان هنا
Vor 15 Jahren,
¿Quién estaba en el laboratorio durante 
el incidente de hace quince años?
¿Quién estaba en el laboratorio durante 
el incidente de hace quince años?
Quand l’affaire d’il y a 15 ans
s’est produite,
Quindici anni fa...
Há quinze anos atrás, quando
 o tal incidente ocorreu,